At the time it was discovered, it weighed only 51 pounds. A healthy male emperor penguin usually weighs around 100 pounds. "The bird sort of turned at an angle, and I could see its backbone ...

The emperor penguin was malnourished, alone — and on a popular beach in southwest Australia, waddling through the sand more ...

For decades, we studied only a tiny number of Antarctica's emperor penguins. Now robots and satellites are revealing ...

Record low levels of Antarctic sea ice in late 2023 resulted in breeding failures in a fifth of the continent’s emperor penguin colonies, according to a new study from the British Antarctic ...